Home / 22,930,478.30-31,640,447.13-13,139,038.73

Finding the Fourth Proportional to 22,930,478.30, 31,640,447.13 and 13,139,038.73

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Solution

The fourth proportional to 22,930,478.30, 31,640,447.13 and 13,139,038.73 is: 18,129,803.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,930,478.30 : 31,640,447.13 = 13,139,038.73 : x
  2. Step 2: Convert to fraction form
    22,930,478.30/31,640,447.13 = 13,139,038.73/x
  3. Step 3: Cross multiply
    22,930,478.30x = 31,640,447.13 × 13,139,038.73
  4. Step 4: Simplify right side
    22,930,478.30x = 415,725,060,275,587.38
  5. Step 5: Solve for x
    x = 415,725,060,275,587.38/22,930,478.30
  6. Step 6: Final answer
    x = 18,129,803.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.